81791358

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53881}}^1$

素因数の和:53920

約数の個数: 32

約数和(自身を含む): 186216192

約数和(自身を除く): 104424834

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 53881, 107762, 161643, 323286, 592691, 1185382, 1239263, 1778073, 2478526, 3556146, 3717789, 7435578, 13631893, 27263786, 40895679, 81791358]

約数ペア:

[(1, 81791358), (2, 40895679), (3, 27263786), (6, 13631893), (11, 7435578), (22, 3717789), (23, 3556146), (33, 2478526), (46, 1778073), (66, 1239263), (69, 1185382), (138, 592691), (253, 323286), (506, 161643), (759, 107762), (1518, 53881)]